Gamst is a surname. Notable people with the name include: Andreas Bernhard Gamst (1923–2015), Norwegian politician Henrik Gamst (1788–1861), Danish industrialist, politician and landowner Morten Gamst Pedersen (born 1981), Norwegian footballer Pål Waaktaar Gamst (born 1961), Norwegian musician and songwriter Gamst (YouTuber), South Korean YouTuber
See also H. Gamst & H. C. Lund